Homework Answers
nucleic acids, carbohydrates, priteins and lipids are four types of macromolecules present in our body. The given structure is a carbohydrate (maltose, formed by dehydration reaction from two glucose molecules), and it is soluble in water.
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Below is a picture ofa molecule1 Which of the four (4) types of macromoleculesis it? Whatsubcategory...
Put the analytes in order of increasing hydrophobicity. Which of the compounds is most hydrophilic? Which...
Put the analytes in order of increasing hydrophobicity. Which of
the compounds is most hydrophilic? Which is most hydrophobic? What
is the predicted elution order from a reverse phase chromatography
column?
a. acetophenone b. benzophenone c. butylparaben d. propiopheneone e. ethylparaben f. propylparaben g. ketoprofen h. 3-nitrophenol i. 4-nitrophenol 2. Put the analytes in order of increasing hydrophobicity. Which of the compounds is most hydrophilic? Which is most hydrophobic? What is the predicted elution order from a reverse phase chromatography...
mi pret your results: a What types of bonds are in glucose (C,H,O.)? How does this...
mi pret your results: a What types of bonds are in glucose (C,H,O.)? How does this help explain the color of the water in this tube b What types of bonds are in oil? How does this help explain the color of the water in this tube? c Which substance was hydrophilic? Which substance was hydrophobic? How do you know? Exploring Anatomy & Physiology in the Laboratory
QUESTION 9 Sequence analysis of a membrane protein shows four 20 amino acid long stretches of...
QUESTION 9 Sequence analysis of a membrane protein shows four 20 amino acid long stretches of residues that are predominantly hydrophobic Between each of these stretches of hydrodophobic residues, a stretch of predominantly hydrophilic residues is found. From this observation one can reasonably postulate that: A this is a 4 stranded beta barrel which spans the membrane B.this is a glycoprotein o this protein has 4 alpha helical segments that span the membrane o this protein can be removed from...
4. Progesterone, a steroid involved in the female reproductive cycle is pictured below. Identify the hydrophobic...
4. Progesterone, a steroid involved in the female reproductive cycle is pictured below. Identify the hydrophobic and hydrophilic parts of the progesterone molecule. Нас, CHа CH3
In the picture below, what can you infer? Note: we are going to order according to...
In the picture below, what can you infer? Note: we are going to order according to the light blue area, which is slightly to the left of the average demand. Area = P.= c/ (,tc.) prob of being "over" z =norm.s.inv(P) u = expected demand ,9= std dev in demand of from 0 1 2 z(o from ) -1 z (# o from 4) jti 0-ασ+ μ. On this scale put the actual numbers specific to the problem [ You...
4. Which of the following statements best describes why the sugar phosphate nucleic acid backbone is...
4. Which of the following statements best describes why the sugar phosphate nucleic acid backbone is on the outer part of the DNA double helix while the nitrogen bases are on the inside of the double helix? A) The sugar phosphate backbone is hydrophilic while the bases are hydrophobic. B) The sugar phosphate backbone is hydrophobic while the bases are hydrophilic. C) The sugar phosphate backbones of the two strands are bonded together. D) The nitrogen bases are covalently bonded...
Shape, melting point & solubility (2.5 pts) When melting or boiling a substance (both of which...
Shape, melting point & solubility (2.5 pts) When melting or boiling a substance (both of which are physical changes), which kinds of attractions may be broken? Circle all that apply. hydrogen bonding covalent bonds dipole-dipole London forces vs. If I told you that only one of these molecules is a solid at room temperature, which one is that more likely to be? How can you tell from the structure? Circle the hydrophilic portion of the molecules above and put a...
Research involves measurement scales, of which there are four types. In data collection, what sources of data would you use, and how would you establish reliability and validity? Why did you choose t...
Research involves measurement scales, of which there are four types. In data collection, what sources of data would you use, and how would you establish reliability and validity? Why did you choose those specific data samples? What types of data collection strategies and research design have you experienced—whether for work or through educational means?
9. In human cells four different cyclins drive the cell cycle (see picture). Please, note that...
9. In human cells four different cyclins drive the cell cycle (see picture). Please, note that the cyclins overlap (the picture shows the concentration of each cyclin protein in the cytoplasm). Write a short essay or outline of an experiment to test the following things: How can you figure out how much cyclin protein is present in the cytoplasm at different phases of the cell cycle? B. How can you figure out if there is overlap between the cyclins? For...
The life span (in thousand hours) of picture tubes manufactured by a company can be modeled using exponential distribution. On a survey it has been found that there were two types of processes by...
The life span (in thousand hours) of picture tubes manufactured by a company can be modeled using exponential distribution. On a survey it has been found that there were two types of processes by which the picture tubes can be manufactured. If type I has been adopted, the expected life span would be 700 (in thousand hours) whereas the expected lifespan of picture tubes by using the second type would be 1050 hours. Type Il is twice as costly as...
Put the analytes in order of increasing hydrophobicity. Which of
the compounds is most hydrophilic? Which is most hydrophobic? What
is the predicted elution order from a reverse phase chromatography
column?
a. acetophenone b. benzophenone c. butylparaben d. propiopheneone e. ethylparaben f. propylparaben g. ketoprofen h. 3-nitrophenol i. 4-nitrophenol 2. Put the analytes in order of increasing hydrophobicity. Which of the compounds is most hydrophilic? Which is most hydrophobic? What is the predicted elution order from a reverse phase chromatography...
mi pret your results: a What types of bonds are in glucose (C,H,O.)? How does this help explain the color of the water in this tube b What types of bonds are in oil? How does this help explain the color of the water in this tube? c Which substance was hydrophilic? Which substance was hydrophobic? How do you know? Exploring Anatomy & Physiology in the Laboratory
QUESTION 9 Sequence analysis of a membrane protein shows four 20 amino acid long stretches of residues that are predominantly hydrophobic Between each of these stretches of hydrodophobic residues, a stretch of predominantly hydrophilic residues is found. From this observation one can reasonably postulate that: A this is a 4 stranded beta barrel which spans the membrane B.this is a glycoprotein o this protein has 4 alpha helical segments that span the membrane o this protein can be removed from...
4. Progesterone, a steroid involved in the female reproductive cycle is pictured below. Identify the hydrophobic and hydrophilic parts of the progesterone molecule. Нас, CHа CH3
In the picture below, what can you infer? Note: we are going to order according to the light blue area, which is slightly to the left of the average demand. Area = P.= c/ (,tc.) prob of being "over" z =norm.s.inv(P) u = expected demand ,9= std dev in demand of from 0 1 2 z(o from ) -1 z (# o from 4) jti 0-ασ+ μ. On this scale put the actual numbers specific to the problem [ You...
4. Which of the following statements best describes why the sugar phosphate nucleic acid backbone is on the outer part of the DNA double helix while the nitrogen bases are on the inside of the double helix? A) The sugar phosphate backbone is hydrophilic while the bases are hydrophobic. B) The sugar phosphate backbone is hydrophobic while the bases are hydrophilic. C) The sugar phosphate backbones of the two strands are bonded together. D) The nitrogen bases are covalently bonded...
Shape, melting point & solubility (2.5 pts) When melting or boiling a substance (both of which are physical changes), which kinds of attractions may be broken? Circle all that apply. hydrogen bonding covalent bonds dipole-dipole London forces vs. If I told you that only one of these molecules is a solid at room temperature, which one is that more likely to be? How can you tell from the structure? Circle the hydrophilic portion of the molecules above and put a...
9. In human cells four different cyclins drive the cell cycle (see picture). Please, note that the cyclins overlap (the picture shows the concentration of each cyclin protein in the cytoplasm). Write a short essay or outline of an experiment to test the following things: How can you figure out how much cyclin protein is present in the cytoplasm at different phases of the cell cycle? B. How can you figure out if there is overlap between the cyclins? For...
The life span (in thousand hours) of picture tubes manufactured by a company can be modeled using exponential distribution. On a survey it has been found that there were two types of processes by which the picture tubes can be manufactured. If type I has been adopted, the expected life span would be 700 (in thousand hours) whereas the expected lifespan of picture tubes by using the second type would be 1050 hours. Type Il is twice as costly as...
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